ATE135723T1 - Verwendung von nitromethan, nitroethan und 1- nitropropan zur verhinderung des abbaus der in der herstellung von geschäumten polyurethanen und polyisocyanuraten als treibmittel benutzten fluorchlorkohlenwasserstoffe - Google Patents

Verwendung von nitromethan, nitroethan und 1- nitropropan zur verhinderung des abbaus der in der herstellung von geschäumten polyurethanen und polyisocyanuraten als treibmittel benutzten fluorchlorkohlenwasserstoffe

Info

Publication number
ATE135723T1
ATE135723T1 AT92106237T AT92106237T ATE135723T1 AT E135723 T1 ATE135723 T1 AT E135723T1 AT 92106237 T AT92106237 T AT 92106237T AT 92106237 T AT92106237 T AT 92106237T AT E135723 T1 ATE135723 T1 AT E135723T1
Authority
AT
Austria
Prior art keywords
polyisocyanurates
nitroethane
nitropropane
nitromethane
degradation
Prior art date
Application number
AT92106237T
Other languages
English (en)
Inventor
Giampiero Basile
Ezio Musso
Claudio Tonelli
Sauro Girolomoni
Original Assignee
Ausimont Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ITMI910989A external-priority patent/IT1245864B/it
Priority claimed from IT91MI1861 external-priority patent/IT1250644B/it
Application filed by Ausimont Spa filed Critical Ausimont Spa
Application granted granted Critical
Publication of ATE135723T1 publication Critical patent/ATE135723T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/42—Use of additives, e.g. for stabilisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
AT92106237T 1991-04-11 1992-04-10 Verwendung von nitromethan, nitroethan und 1- nitropropan zur verhinderung des abbaus der in der herstellung von geschäumten polyurethanen und polyisocyanuraten als treibmittel benutzten fluorchlorkohlenwasserstoffe ATE135723T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI910989A IT1245864B (it) 1991-04-11 1991-04-11 Metodo per stabilizzare gli idroclorofluorocarburi
IT91MI1861 IT1250644B (it) 1991-07-05 1991-07-05 Metodo per inibire la degradazione di idroclorofluorocarburi usati come agenti espandenti nella preparazione di poliuretani e poliisocianurati espansi.

Publications (1)

Publication Number Publication Date
ATE135723T1 true ATE135723T1 (de) 1996-04-15

Family

ID=26330700

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92106237T ATE135723T1 (de) 1991-04-11 1992-04-10 Verwendung von nitromethan, nitroethan und 1- nitropropan zur verhinderung des abbaus der in der herstellung von geschäumten polyurethanen und polyisocyanuraten als treibmittel benutzten fluorchlorkohlenwasserstoffe

Country Status (9)

Country Link
US (1) US5464882A (de)
EP (1) EP0508449B1 (de)
JP (1) JP3247144B2 (de)
AT (1) ATE135723T1 (de)
BR (1) BR9201324A (de)
CA (1) CA2065885A1 (de)
DE (1) DE69209121T2 (de)
ES (1) ES2084862T3 (de)
SI (1) SI9200047A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05222146A (ja) * 1992-02-14 1993-08-31 Daikin Ind Ltd 硬質ポリウレタンフォームの製造法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE621364A (de) * 1961-03-10
NL137570C (de) * 1961-10-30
US3352789A (en) * 1964-01-10 1967-11-14 Allied Chem Stabilization of chlorofluoroalkanes
US3465052A (en) * 1966-06-15 1969-09-02 Daikin Ind Ltd Stabilized chlorofluoroalkane compositions
JPS523006A (en) * 1975-06-27 1977-01-11 Asahi Glass Co Ltd Process for stabilization of furon
DE3139401C2 (de) * 1981-10-03 1985-12-12 Hoechst Ag, 6230 Frankfurt Stabilisieren von Polyether- oder Polyester-Formmassen gegen vorzeitige Reaktion
JPS6375020A (ja) * 1986-09-18 1988-04-05 Du Pont Mitsui Fluorochem Co Ltd 硬質ポリウレタンフオ−ム用発泡剤組成物
JP2525755B2 (ja) * 1987-10-16 1996-08-21 三井・デュポンフロロケミカル株式会社 硬質ポリウレタンフオ―ム用発泡剤組成物
JPH01128944A (ja) * 1987-11-13 1989-05-22 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH01128945A (ja) * 1987-11-13 1989-05-22 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH01211538A (ja) * 1988-02-16 1989-08-24 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH01211539A (ja) * 1988-02-16 1989-08-24 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH02279634A (ja) * 1989-04-18 1990-11-15 Asahi Glass Co Ltd フッ素化炭化水素系共沸組成物及び共沸様組成物
JPH0331222A (ja) * 1989-06-28 1991-02-12 Asahi Glass Co Ltd 弗素化炭化水素系共沸及び擬共沸組成物
US4997589A (en) * 1989-12-15 1991-03-05 Allied-Signal Inc. Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane
US5124503A (en) * 1990-12-13 1992-06-23 Allied-Signal Inc. Dichlorotrifluoroethane stabilized to minimize hydrolysis thereof
US5137929A (en) * 1991-06-21 1992-08-11 Allied-Signal Inc. Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization

Also Published As

Publication number Publication date
JP3247144B2 (ja) 2002-01-15
US5464882A (en) 1995-11-07
EP0508449A1 (de) 1992-10-14
JPH0687971A (ja) 1994-03-29
EP0508449B1 (de) 1996-03-20
CA2065885A1 (en) 1992-10-12
DE69209121T2 (de) 1996-09-26
SI9200047A (en) 1992-11-27
ES2084862T3 (es) 1996-05-16
DE69209121D1 (de) 1996-04-25
BR9201324A (pt) 1992-12-01

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